[R] a question

[Douglas Bates]

dantec at netcourrier.com writes:

> I have a program written in R which is good on the version 1.2, but for 
> the fallowing versions of R, an error always is at the same place.
> That is at the level of the fallowing line:
> Sur<- 
> getInitial(res2[m:M,2]~SSasymp(res2[m:M,1],Asymp,resp0,lrc),data=res2)
> Error in eval(expr,envir,enclos):numeric envir arg not of length one

> I don't know at all this langage for the instant.

It is uncommon to use getInitial outside of nls.  Is there a reason
you are not using
  nls(res2[m:M,2]~SSasymp(res2[m:M,1],Asymp,resp0,lrc),data=res2)
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